CVE-2020-35679

smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*
cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:-:*:*:*:*:*:*
cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:patch1-rc1:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

History

07 Nov 2023, 03:22

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/', 'name': 'FEDORA-2021-71fbdecdf8', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://www.mail-archive.com/misc@opensmtpd.org/msg05188.html', 'name': 'https://www.mail-archive.com/misc@opensmtpd.org/msg05188.html', 'tags': ['Release Notes', 'Third Party Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/', 'name': 'FEDORA-2021-848fd34b0b', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/ -
  • () https://www.mail-archive.com/misc%40opensmtpd.org/msg05188.html -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/ -

26 Apr 2022, 16:13

Type Values Removed Values Added
References (GENTOO) https://security.gentoo.org/glsa/202105-12 - (GENTOO) https://security.gentoo.org/glsa/202105-12 - Third Party Advisory
CWE CWE-772 CWE-401

26 May 2021, 10:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202105-12 -

26 Mar 2021, 01:51

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/ - Mailing List, Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/ - Mailing List, Third Party Advisory

30 Jan 2021, 04:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/ -

31 Dec 2020, 18:30

Type Values Removed Values Added
References (MISC) https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/ - (MISC) https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/ - Third Party Advisory
References (MISC) https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043 - (MISC) https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043 - Patch, Third Party Advisory
References (MISC) https://www.mail-archive.com/misc@opensmtpd.org/msg05188.html - (MISC) https://www.mail-archive.com/misc@opensmtpd.org/msg05188.html - Release Notes, Third Party Advisory
CVSS v2 : unknown
v3 : unknown
v2 : 5.0
v3 : 7.5
CPE cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:patch1-rc1:*:*:*:*:*:*
cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:*
cpe:2.3:a:opensmtpd:opensmtpd:6.8.0:-:*:*:*:*:*:*
CWE CWE-772

Information

Published : 2020-12-24 16:15

Updated : 2023-12-10 13:41


NVD link : CVE-2020-35679

Mitre link : CVE-2020-35679

CVE.ORG link : CVE-2020-35679


JSON object : View

Products Affected

fedoraproject

  • fedora

opensmtpd

  • opensmtpd
CWE
CWE-401

Missing Release of Memory after Effective Lifetime